Collbran, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Collbran weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Clear——90°57°—
- SundayJul 5Overcast——95°66°+5°
- MondayJul 6Light Drizzle—0.01″93°65°-2°
- TuesdayJul 7Overcast——95°62°+2°
- WednesdayJul 8Overcast——96°63°+1°
- ThursdayJul 9Overcast——96°63°0°
- FridayJul 10Partly Cloudy——97°59°+1°
AQI 91 (Moderate), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 66 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 16 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 66 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 16 around 1 PM.
- Present
- AQI 66
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 16
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:31 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Collbran at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 81624
16-Day Forecast — Collbran
- Sat90°57°0%
- Sun95°66°0%
- Mon93°65°9%
- Tue95°62°9%
- Wed96°63°8%
- Thu96°63°8%
- Fri97°59°3%
- Sat100°61°2%
- Sun101°63°7%
- Mon105°68°17%
- Tue107°67°17%
- Wed107°69°54%
- Thu105°69°58%
- Fri104°66°55%
- Sat100°64°58%
- Sun97°63°40%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Collbran
SPC includes Collbran in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Collbran
- 81624